Search Results for: spindle-cell hemangioma

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…ations, it may be inferred that the vascular changes just described, referred to imprecisely as those of “histiocytoid hemangioma,” represent a pattern histopathologic analogous to those of granular cellularity, flame figures,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Angiolymphoid Hyperplasia with Eosinophilia/Kimura’s Disease?

…Histopathology of the Skin, 7th ed. Philadelphia: JB Lippincott, 1990:714. “The solid nests of epithelioid endothelial cells (albeit in a lone focus) and the hobnail appearance of the cells elsewhere suggested a diagnosis of ALHE…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…dermis or the upper part of the dermal eccrine duct has thickened consequent to an increase in number greatly of constituent cells, a circumstance referred to generally as “pseucarcinomatous hyperplasia,” we will characterize the change…

Pigmented poroma with unusual location and dermatoscopic features

Pigmented poroma with unusual location and dermatoscopic features

…HE, 40X). [Copyright: ©2012 Kassuga et al.] Figure 4. Pigmented poroma. Epithelial aggregate made up of poroid and cuticular cells. The poroid cells have small, round, uniform nuclei and scant cytoplasm and the cuticular cells display larger nuclei…

Differential Diagnosis in Dermatopathology

Papular mucinosis vs Interstitial granuloma annulare

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Differential Diagnosis in Dermatopathology

Pretibial myxedema vs. Scleromyxedema

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…not qualify as an inflammatory disease because of the absence of inflammatory cells. 11.18.2A: No infiltrate of inflammatory cells + 11.18.2B: Fibrocytes and mast cells amidst mucin in the upper part of the dermis = Scleromyxedema At scanning…

Histologic Diagnosis of Inflammatory Skin Diseases

Scar

…ose cells bring forth the entire infundibulo-apocrine-sebaceous-follicular unit. Low-grade fibrosarcoma consists of abnormal spindle cells arranged in fascicles that often interweave in a herringbone pattern. Laboratory confirmation None exists….